The McAlpine ST90CPB-P is a 90mm x 50mm water seal shower trap with a 1½" outlet and removable 110mm flange. It is designed to be used in shower installations to prevent foul odours from entering the bathroom. The ST90CPB-P features a water seal trap design that works by trapping water in the trap, preventing foul odours from entering the bathroom. This trap is particularly useful in shower installations where odours can be a problem due to the large amount of water used. The 1½" outlet is a standard size that is suitable for most shower installations. The trap is made from high-quality materials, ensuring durability and long-lasting performance. The removable 110mm flange is a useful feature that allows for easy access to the trap for cleaning and maintenance purposes. Overall, the McAlpine ST90CPB-P shower trap is a reliable and practical choice for anyone looking for a high-quality water seal trap. Its removable flange makes it easy to maintain and keep clean, while the water seal trap design ensures that foul odours are prevented from entering the bathroom. The 1½" outlet is a standard size that is suitable for most shower installations, making it a versatile and practical option for a range of different installations. ・ Flanges available in White or Chrome Plated Plastic, or Chrome Plated Brass ・ Suitable for shower trays with a 90mm waste hole ・ 50mm Water Seal ・ 1½" BSP Thread ・ Supplied with 135° Bend - BSP coupling nut x 1½" Universal